蝶阀按结构形式可分为偏置板式、垂直板式、斜板式和杠杆式。
Butterfly valve according to the structure of the form of bias can be divided into the plate, vertical plate, inclined plate and leveraged.
蝶阀按结构形式可分为偏置板式、垂直板式、斜板式和杠杆式。
Butterfly valve according to the structure of the form of bias can be divided into the plate, vertical plate, inclined plate and leveraged.
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